NEET PG MCQs for free – 28 August 2018

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Question 1

In which of the following type of umbilical cord insertion, is the vessels at increased risk of compression leading to fetal hypoperfusion?

A. Central
B. Marginal
C. Velamentous
D. Eccentric

TIPSImportant Question for NEET PG 2019

ANSWER & EXPLANATION

Answer: C. Velamentous

Explanation: In velamentous insertion, the umbilical vessels characteristically spread within the membranes at a distance from the placental margin, which they reach surrounded only by a fold of amnion. As a result, vessels are vulnerable to compression, which may lead to fetal hypoperfusion and acidemia. The incidence of velamentous insertion is approximately 1%, but it is more commonly seen with placenta previa and multifetal gestations.